SQL Server Advanced Performance Tuning – Expert-Level Quiz

SQL Server Advanced Performance Tuning - Expert-Level Quiz

Are you ready to push your SQL Server skills to the limit? This expert-level quiz is designed to challenge even the most seasoned SQL Server professionals. Test your advanced performance tuning skills, from optimizing queries and indexes to managing server resources and troubleshooting performance bottlenecks. Let’s see if you have what it takes to be an SQL Server advanced performance tuning expert.

1 / 20

Which DMV can be used to monitor index usage?

sys.dm_db_index_operational_stats

sys.dm_db_index_usage_stats

sys.dm_db_index_physical_stats

sys.dm_db_index_virtual_stats

2 / 20

Which of the following arguments is ignored by the database engine in COMMIT TRANSACTION?

None of the above

transaction_name

@tran_name_variable

@tran_name

3 / 20

What locks allow you to bulk copy data concurrently into the same table?

Bulk import

Bulk update

Bulk export

Bulk copy

4 / 20

Which of the following marks the end of a successful implicit or explicit transaction?

COMMIT TRANSACTION

COMMIT WORK

ROLLBACK TRANSACTION

SUCCESSFUL TRANSACTION

5 / 20

Which of the following is a vaild syntax?

SET SHOWPLAN_XML { ON | OFF }

SET SHOW_XML { ON | OFF }

None of the above

SET SHOWPLAN { ON | OFF }

6 / 20

Which SQL Server feature allows you to capture detailed information about query execution?

Extended Events

SQL Server Profiler

SQL Server Agent

SQL Server Configuration Manager

7 / 20

What is the purpose of the DBCC SHRINKDATABASE command?

To reduce the size of the procedure cache

To reduce the size of the transaction log

To reduce the size of the data and log files in the specified database

To reduce the size of the buffer pool

8 / 20

The maximum size for all caches is based on what size?

RAM

Buffer pool

SSD

Hard disk

9 / 20

Which DMV can be used to monitor memory usage?

sys.dm_os_memory_cache_counters

sys.dm_os_memory_cache_entries

sys.dm_os_memory_clerks

sys.dm_os_memory_cache_hash_tables

10 / 20

Which of the following is how a statement can be physically executed?

All of the above

execution plan

query plan

query execution plan

11 / 20

Which resource can be locked in SQL Server?

SID

TID

RID

PID

12 / 20

Which of the following is a wrong statement?

Table-level locking hints can be used when a finer control of the types of locks acquired on an object is required

By default, SQL Server transactions times out after a certain time

Disallowing a locking level can affect concurrency adversely

Schema modification (Sch-M) locks are used when a table data definition language operation is being performed

13 / 20

What is the purpose of the SET STATISTICS IO statement?

To display information about the memory usage

To display information about the CPU usage

To display information about the amount of disk activity generated by T-SQL statements

To display information about the network usage

14 / 20

Which SQL Server feature helps in identifying missing indexes?

SQL Server Configuration Manager

SQL Server Profiler

SQL Server Agent

Database Engine Tuning Advisor

15 / 20

Which design strategy can reduce the occurrence of blocking locks?

Use clustered indexes on high-usage tables

Use non-clustered indexes on high-usage tables

Make sure that CREATE and DROP statements use an existing index

Use clustered indexes on less-usage tables

16 / 20

The document containing the XML schema for the XML output by SET STATISTICS XML is located where?

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xsl

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xml

None of the above

Microsoft SQL Server100ToolsBinnschemassqlserver20047showplanshowplanxml.xsd

17 / 20

What is the purpose of the DBCC SQLPERF command?

To provide memory usage statistics

To provide CPU usage statistics

To provide transaction log space usage statistics

To provide disk usage statistics

18 / 20

Which of the following conditions will ignore the request to enable delayed durability?

DELAYED_DURABILITY = FORCED

DELAYED_DURABILITY = 0

DELAYED_DURABILITY = IGNORED

DELAYED_DURABILITY = NULL

19 / 20

What is the purpose of the DBCC DROPCLEANBUFFERS command?

To remove all buffers from the procedure cache

To remove all clean buffers from the buffer pool

To remove all buffers from the buffer pool

To remove all dirty buffers from the buffer pool

20 / 20

What is the basic difference between COMMIT and COMMIT WORK?

COMMIT TRANSACTION accepts a user-defined function

COMMIT WORK accepts a user-defined transaction name

COMMIT WORK accepts a user-defined stored procedure

COMMIT TRANSACTION accepts a user-defined transaction name

Your score is

The average score is 15%

Do you think you’ve mastered SQL Server’s nuances? Now is the time to distinguish yourself as a true SQL Server advanced performance tuning virtuoso with this expert-level quiz.

In SQL Server, performance tuning is akin to wielding a finely tuned instrument in data management. It involves the art and science of optimizing the performance of your SQL Server databases. This is done by fine-tuning various elements such as queries, indexes, configuration settings, and more.

Your mastery will enhance the efficiency and speed of database operations and elevate your expertise as an SQL Server professional.

Good luck!